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The Vehicular Ad-hoc Networks (VANETs) is the most promising technology that can provide solution for vehicular traffic and safety. VANET establishes vehicle to vehicle communication, which can be implemented for the safety of the vehicles and for other services. The optimal utilization of VANET technology can be achieved with specially designed Routing Protocols. The enhancement in the technology...
Unmanned Aerial Vehicles (UAVs) have been attractive for years for many researchers and companies worldwide due to their commercial and military applications. The control of UAVs has been widely studied and implemented, but new techniques are yet to be explored in order to make tuning of controllers easier. In this paper, ecosystem equilibrium established in nature between different species is used...
Inventory-transportation integrated optimization in the distribution system is important research subject of logistics integration strategy. This paper analyses the relationship between inventory and transportation, builds the ITIO issue optimization based on milk-run mode, and combining the character of Model, this paper designs Genetic Algorithm of natural number coding to solve Vehicle Scheduling...
In this paper, an optimal design to minimize the cost, mass and volume of the fuel cell (FC) and supercapacitor (SC) in a fuel cell hybrid electric vehicle is presented. Because of the hybrid powertrain, component sizing significantly affects vehicle performance, cost and fuel economy. Hence, during sizing, various design and control constraints should also be satisfied simultaneously. In this research,...
For improving the intersection traffic capacity and reducing the vehicle emission, the solution that aim at the multi-object optimization was presented by using genetic algorithm (GA), and urban traffic microscopic simulation model (UTMSM) combined with GA was developed. The simulation was performed and the result indicated that the optimization method in this paper was effective to get better traffic...
Considerable efforts have been made recently to develop a completely zero-emission and highly fuel efficient vehicle. Due to clean and efficient power generation, the hydrogen fed fuel cell vehicle (FCVs) has received considerable attention. However, major obstacles such as cost of the hydrogen infrastructure, driving range, and cost of the fuel cell greatly influence FCV development. At the same...
Recent trends shows that hydrogen powered fuel cell vehicles (FCVs) are gaining universal attention, because of the need for more fuel-efficient vehicles. Advancement in fuel-cell technology has ignited interest in all-electric propulsion systems. Regardless of some drawbacks in terms of number of electrical storage components being used and relatively larger capacity of on-board energy storage required,...
A synchronous optimization of power system and controller parameter could substantially improve the fuel economy and emission performance of HEV (hybrid electric vehicle). As a typical multi-objective optimization, this type of optimization problem involves a couple of mutually conflicting objectives of optimization and non-linear constraints. In this paper, the Pareto optimal solution set of this...
Vehicle lightweighting, or mass reduction, via materials substitution is a common approach to improve fuel economy. The many subsystems in a vehicle, choices of materials, and manufacturing processes available, though, lead to numerous paths to achieving the mass reduction and identifying the best ones for an automaker to implement can be a challenge. In this paper, that challenge is addressed through...
In order to realize optimal distribution between two types of energy in HEV and assure the reasonable operation of motor and battery, an optimal method based on energy fuzzy control strategy is presented. The proposed energy fuzzy control strategy is modeled in Simulink and incorporated into the vehicle simulation software ADVISOR. Then, to the lack of the traditional method of getting membership...
Fuel cell electric vehicle has very good application foreground for it has some advantages, such as high efficiency and little emission, etc. In order to characterize the structure of hybrid power system for fuel cell electric vehicle, the project of parallel hybrid power system was brought forward, which consisted of fuel cell, NIH battery and DC/DC converter. The power flow of hybrid power system...
The objective of this paper is to study the toll standard of regional expressway network so as to optimizing traffic assignment and consequently reducing the holistic cost of the network. Based on Wardrop's principles and expense analyses, a function called generalized expense model is brought forward to calculate the optimal toll rate. Genetic algorithm (GA) is applied to solving the model according...
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